CN218920080U - Motor and industrial washing machine - Google Patents

Abstract

The utility model discloses a motor and an industrial washing machine, and belongs to the technical field of electrical equipment. The shell of this motor includes front end housing, connection end housing and rear end cap that set gradually along first direction, winding stator sets up in the installation cavity of shell, it is provided with first connecting hole to run through along first direction on the front end housing, it is provided with the second connecting hole to run through along first direction on the rear end housing, be provided with the connection draw-in groove along first direction on winding stator's the outer wall, the interior connecting rod wears to establish and connect in first connecting hole, connection draw-in groove and second connecting hole, the outer connecting rod sets up in the outside of connecting the end housing, and the one end and the front end housing of outer connecting rod are connected, the other end is connected with the rear end housing. The motor utilizes the inner connecting rod to realize the fastening connection of the shell and the winding stator, utilizes the outer connecting rod to realize the fastening connection of the front end cover and the rear end cover, and has the advantages of firm and reliable connection, compact structure, small gaps among all the components, low working noise and good sealing and waterproof performance.

Description

Motor and industrial washing machine

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a motor and an industrial washing machine.

Background

The industrial washing machine is suitable for occasions such as hotels, hospitals, schools, clothing factories, water washing factories, industrial and mining enterprises and the like, and can meet the requirement of large-capacity washing. The industrial washing machine has large capacity and heavy load in operation, when the motor drives the washing drum to rotate through the belt, the force of the belt on the motor belt wheel is much larger than that of the household washing machine, if the common motor is adopted for driving, the motor can have the problems of deflection deformation and larger noise due to larger stress in use. And because the service environment of the industrial washing machine is bad, the sealing waterproof performance of the existing motor can not meet the service requirement.

Therefore, how to provide a motor and an industrial washing machine with firm and reliable structure, low working noise and good sealing and waterproof performance is a technical problem to be solved.

Disclosure of Invention

A first object of the present utility model is to provide a motor which is firm and reliable in structure, low in working noise and good in sealing waterproof performance.

To achieve the purpose, the utility model adopts the following technical scheme:

an electric motor, comprising: the shell comprises a front end cover, a connecting end cover and a rear end cover which are sequentially arranged along a first direction, wherein an installation cavity is formed by surrounding the inner wall surface of the front end cover, the inner wall surface of the connecting end cover and the inner wall surface of the rear end cover, a first connecting hole is formed in the front end cover in a penetrating manner along the first direction, and a second connecting hole is formed in the rear end cover in a penetrating manner along the first direction; the winding stator is arranged in the mounting cavity, and a connecting slot is formed in the outer wall surface of the winding stator along the first direction; the inner connecting rod penetrates through and is connected in the first connecting hole, the connecting through groove and the second connecting hole; the outer connecting rod is arranged on the outer side of the connecting end cover, one end of the outer connecting rod is connected with the front end cover, and the other end of the outer connecting rod is connected with the rear end cover.

Preferably, the outer wall surface of the front end cover is convexly provided with a first bulge, a third connecting hole is formed in the first bulge in a penetrating manner, the outer wall surface of the rear end cover is convexly provided with a second bulge, a fourth connecting hole is formed in the second bulge in a penetrating manner, one end of the outer connecting rod is connected in the third connecting hole, and the other end of the outer connecting rod is connected in the fourth connecting hole.

Preferably, the outer connecting rod is disposed to extend in the first direction.

Preferably, the number of the first protrusions is a plurality, and the plurality of the first protrusions are arranged at intervals along the circumferential direction of the front end cover; the number of the second protrusions is multiple, and the second protrusions are arranged at intervals along the circumferential direction of the rear end cover; the number of the outer connecting rods is multiple, and the outer connecting rods, the first protrusions and the second protrusions are arranged in one-to-one correspondence.

Preferably, the number of the first connecting holes is plural, and the plural first connecting holes are arranged at intervals in the circumferential direction of the front end cover; the number of the second connecting holes is a plurality of, and the second connecting holes are arranged at intervals in the circumferential direction of the rear end cover; a plurality of connecting through grooves are formed in the outer wall surface of the winding stator at intervals; the number of the outer connecting rods is multiple, and the outer connecting rods, the first connecting holes, the connecting through grooves and the second connecting holes are arranged in one-to-one correspondence.

Preferably, the connection end cap and the winding stator are interference fit.

Preferably, a mounting gap is formed between the front end cover and the rear end cover, and the connecting end cover and part of the winding stator are in interference fit in the mounting gap.

Preferably, the installation gap comprises a first gap and a second gap which are communicated with each other, the first gap is positioned outside the second gap along the radial direction of the motor, and the width of the first gap is smaller than that of the second gap; the connecting end cover is connected with a part of the winding stator in a stepped mode, the connecting end cover is arranged in the first gap, and a part of the winding stator is arranged in the second gap.

Preferably, an anti-corrosion layer is arranged on the connecting end cover.

A second object of the present utility model is to provide an industrial washing machine which has low operating noise, low failure rate, and long service life.

To achieve the purpose, the utility model adopts the following technical scheme.

An industrial washing machine comprising the motor described above.

The utility model has the beneficial effects that:

the motor comprises a shell, a winding stator, an inner connecting rod and an outer connecting rod, wherein the shell comprises a front end cover, a connecting end cover and a rear end cover which are sequentially arranged along a first direction, an installation cavity is formed by surrounding the inner wall surface of the front end cover, the inner wall surface of the connecting end cover and the inner wall surface of the rear end cover, a first connecting hole is formed in the front end cover in a penetrating mode along the first direction, a second connecting hole is formed in the rear end cover in a penetrating mode along the first direction, the winding stator is arranged in the installation cavity, a connecting groove is formed in the outer wall surface of the winding stator in the first direction, the inner connecting rod penetrates through and is connected in the first connecting hole, the connecting groove and the second connecting hole, the outer connecting rod is arranged on the outer side of the connecting end cover, one end of the outer connecting rod is connected with the front end cover, and the other end of the outer connecting rod is connected with the rear end cover. The motor utilizes the inner connecting rod to realize the fastening connection of the shell and the winding stator, utilizes the outer connecting rod to realize the fastening connection of the front end cover and the rear end cover of the shell, and has the advantages of firm and reliable connection, compact structure, small gaps among all parts, low working noise and good sealing and waterproof performance.

Drawings

Fig. 1 is a schematic structural view of a motor according to an embodiment of the present utility model;

FIG. 2 is a side view of an electric motor provided by an embodiment of the present utility model;

FIG. 3 isbase:Sub>A cross-sectional view taken along the direction A-A in FIG. 2;

fig. 4 is a schematic structural view of a winding stator of an electric machine according to an embodiment of the present utility model.

In the figure:

100. a housing; 101. a front end cover; 1011. a first connection hole; 102. connecting an end cover; 1021. a second connection hole; 103. a rear end cover; 104. a first protrusion; 105. a second protrusion;

200. a winding stator; 201. connecting the through groove;

300. connecting rods internally;

400. and an outer connecting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The embodiment provides a motor which can be used in an industrial washing machine, provides a stable power source for the industrial washing machine and reduces the failure rate of the motor in the industrial washing machine. As shown in fig. 1 to 3, the motor includes a housing 100, a winding stator 200, an inner connecting rod 300, and an outer connecting rod 400. Specifically, the housing 100 includes a front end cover 101, a connection end cover 102, and a rear end cover 103 that are sequentially disposed along a first direction, the front end cover 101 and the rear end cover 103 are both of a cover-like structure, the front end cover 101 includes a front end plate and a front ring plate disposed along a circumference of the front end plate, the rear end cover 103 includes a rear end plate and a rear ring plate disposed along a circumference of the rear end plate, and the connection end cover 102 is of a ring plate structure that can be butted with the front ring plate and the rear ring plate. The inner wall surface of the front end cover 101, the inner wall surface of the connecting end cover 102 and the inner wall surface of the rear end cover 103 enclose a mounting cavity for mounting components such as a motor shaft, a winding stator 200, a rotor and the like. The first direction is the direction indicated by the arrow in fig. 1.

In order to assemble the components of the motor, a first connection hole 1011 is formed in the front cover 101 so as to extend in the first direction, a second connection hole 1021 is formed in the rear cover 103 so as to extend in the first direction, and a connection groove 201 is formed in the first direction in the outer wall surface of the winding stator 200 as shown in fig. 4. The first connection hole 1011, the connection through slot 201 and the second connection hole 1021 are sequentially connected, and the inner connection rod 300 is inserted into and connected to the first connection hole 1011, the connection through slot 201 and the second connection hole 1021. In some embodiments, the inner connection rod 300 sequentially passes through the first connection hole 1011, the connection through slot 201, and the second connection hole 1021, while in some other embodiments, the inner connection rod 300 sequentially passes through the second connection hole 1021, the connection through slot 201, and the first connection hole 1011. The fastening connection of the front end cover 101, the winding stator 200 and the rear end cover 103 can be realized by utilizing the inner connecting rod 300, so that the motor shaft of the motor can bear larger external force, and the probability of flexural deformation of the motor is reduced.

With continued reference to fig. 1, the outer connecting rod 400 is disposed outside the connecting end cap 102, and one end of the outer connecting rod 400 is connected to the front end cap 101 and the other end is connected to the rear end cap 103. The outer connecting rod 400 can be used for realizing the fastening connection of the front end cover 101 and the rear end cover 103, so that the front end cover 101 and the rear end cover 103 can be used for clamping and connecting the end cover 102 and the winding stator 200, and the structural compactness of the motor is further improved.

Compared with the existing motor, the motor provided by the embodiment adopts an assembly mode of internal and external fastening, so that the motor is firm and reliable in structure, the external force born by a motor shaft of the motor is improved, the probability of flexural deformation of the motor is reduced, gaps among all parts are reduced, the tightness of the motor is improved, resonance is reduced, working noise is reduced, sealing waterproof performance is improved, and the motor can be better adapted to the service environment of an industrial washing machine.

In some specific embodiments, at least one of the first connection hole 1011 and the second connection hole 1021 is a threaded hole, that is, a rear connection hole of the first connection hole 1011 and the second connection hole 1021 may be a threaded hole, or a front connection hole of the first connection hole 1011 and the second connection hole 1021 may be an optical hole, according to the penetrating direction of the inner connection rod 300. The connecting rod 300 is a rod having a screw structure, such as a screw, and the connecting rod 300 is screw-coupled to a rear connecting hole of the first and second connecting holes 1011 and 1021. The use of a threaded connection can further increase the strength of the connection of the inner connecting rod 300 to the housing 100.

In some specific embodiments, in order to connect the outer connecting rod 400 with the front end cover 101 and the rear end cover 103, a first protrusion 104 is convexly disposed on an outer wall surface of the front end cover 101, and a third connecting hole is disposed through the first protrusion 104. Alternatively, the first protrusion 104 is provided protruding on the front ring plate of the front cover 101. And a second protrusion 105 is protruded on the outer wall surface of the rear cover 103, and a fourth connection hole is formed in the second protrusion 105. Optionally, the second protrusion 105 is provided protruding on the rear ring plate of the rear cover 103. One end of the outer connecting rod 400 is connected in the third connecting hole, and the other end of the outer connecting rod 400 is connected in the fourth connecting hole. By arranging the first protrusion 104 and the second protrusion 105, the assembly difficulty of the outer connecting rod 400, the front end cover 101 and the rear end cover 103 is reduced, and the assembly efficiency and the connection strength are improved. In some more specific embodiments, the outer connecting rod 400 is a combination of a bolt and a fastening nut, and the connection holes located at the rear of the third connection hole and the fourth connection hole are screw holes according to the penetrating direction of the outer connecting rod 400, and the bolt is screw-coupled with the fastening nut after passing through the third connection hole and the fourth connection hole.

It should be noted that, the first protrusion 104 and the second protrusion 105 may be disposed at intervals in the first direction, and the third connecting hole and the fourth connecting hole are disposed along the first direction, so that the outer connecting rod 400 connected in the third connecting hole and the fourth connecting hole is disposed along the first direction, thereby improving the assembly efficiency and reducing the processing difficulty of the third connecting hole and the fourth connecting hole. Of course, the straight line where the first protrusion 104 and the second protrusion 105 are located may also form an angle with the first direction, so that the outer connecting rod 400 forms an angle with the first direction.

In order to improve the stability and strength of the external connection of the motor, in some specific embodiments, the number of the first protrusions 104 and the number of the second protrusions 105 are multiple, the first protrusions 104 are arranged at intervals along the circumferential direction of the front end cover 101, and the second protrusions 105 are arranged at intervals along the circumferential direction of the rear end cover 103. Correspondingly, the number of the outer connecting rods 400 is multiple, the multiple outer connecting rods 400, the multiple first protrusions 104 and the multiple second protrusions 105 are arranged in a one-to-one correspondence mode, and the outer connecting rods 400 penetrate through the corresponding first protrusions 104 and second protrusions 105, so that the multi-point outer connection of the front end cover 101 and the rear end cover 103 is achieved, the connection strength is high, and the stability is good. Here, the number of the outer connecting rod 400, the first protrusion 104, and the second protrusion 105 is not particularly limited, and may be flexibly set according to the need, for example, may be respectively set to three as shown in fig. 2.

In order to improve the stability and strength of the connection in the motor, in some specific embodiments, the number of the first connection holes 1011 is plural, and the plural first connection holes 1011 are arranged at intervals in the circumferential direction of the front cover 101, specifically, the plural first connection holes 1011 are arranged in a ring shape on the front end plate of the front cover 101. The number of the second connection holes 1021 is plural, and the plural second connection holes 1021 are arranged at intervals in the circumferential direction of the rear end cover 103, specifically, the plural second connection holes 1021 are annularly arranged on the rear end plate of the rear end cover 103. A plurality of connection slots 201 are provided at intervals on the outer wall surface of the winding stator 200, and the connection slots 201 are semicircular slots penetrating the front and rear end surfaces of the winding stator 200. The number of the outer connecting rods 400 is multiple, the multiple outer connecting rods 400, the multiple first connecting holes 1011, the multiple connecting grooves 201 and the multiple second connecting holes 1021 are arranged in a one-to-one correspondence manner, and the outer connecting rods 400 penetrate through the corresponding first connecting holes 1011, the corresponding connecting grooves 201 and the corresponding second connecting holes 1021, so that the multi-point inner connection of the motor is realized, the connection strength is high, and the stability is high. Here, the number of the outer connection rod 400, the first connection hole 1011, the connection through groove 201, and the second connection hole 1021 is not particularly limited, and may be flexibly set according to the need, for example, four may be respectively set as shown in fig. 2.

Further, the connection end cap 102 and the winding stator 200 are interference fit to improve the assembly strength and structural stability of the connection end cap 102 and the winding stator 200. Further, an installation gap is formed between the front end cover 101 and the rear end cover 103, and the assembled connection end cover 102 and the winding stator 200 are in interference fit in the installation gap, so that the assembly strength and the structural stability of the motor are improved.

In some specific embodiments, the mounting gap includes a first gap and a second gap that are in communication with each other, the first gap being located outside the second gap in a radial direction of the motor, and a width of the first gap being smaller than a width of the second gap, the width of the first gap being a dimension of the first gap in the radial direction of the motor, and the width of the second gap being a dimension of the second gap in the radial direction of the motor. The connection end cap 102 and the partial winding stator 200 are connected in a stepped manner, the connection end cap 102 is disposed in the first gap, and the partial winding stator 200 is disposed in the second gap.

Specifically, a first annular step surface is provided on the end of the front end cover 101 facing the connection end cover 102, a second annular step surface is provided on the end of the rear end cover 103 facing the connection end cover 102, and the first and second step surfaces are disposed opposite to each other and form a large installation gap in the radial direction of the motor. The middle part of winding stator 200 is formed with annular protruding, and the cover is established outside annular protruding to the cover 102 cover, and the width of cover 102 is less than annular protruding width to be provided with annular third step face and fourth step face respectively at cover 102 and annular protruding both ends, first step face and third step face butt, second step face and fourth step face butt, the setting of step face makes front end housing 101, cover 102 and rear end housing 103 easily carry out the location equipment, and assembly efficiency is high.

Further, in order to improve the sealing waterproof property of the motor, sealing sheets are provided between the front end cover 101 and the connection end cover 102 and between the connection end cover 102 and the rear end cover 103, and the sealing sheets are deformed by being pressed to fill the gaps between the front end cover 101 and the connection end cover 102 and the gaps between the connection end cover 102 and the rear end cover 103, so that the sealing waterproof property of the motor is improved, and water is prevented from entering the motor from the gaps. Further, an anti-corrosion layer is provided on the front end cover 101, the rear end cover 103, and the connection end cover 102, and the anti-corrosion layer may be formed by coating anti-corrosion paint on the surfaces of the front end cover 101, the rear end cover 103, and the connection end cover 102. The connecting end cover 102 is painted with anti-corrosion paint firstly and then assembled with the winding stator 200, so that the situation that the winding stator 200 is painted directly is avoided, the operation is more convenient, and pollution caused when the winding stator 200 is painted directly is avoided, and the motor performance density is affected.

Further, a supporting frame is provided on the housing 100 of the motor to facilitate the installation of the motor in an industrial washing machine. Specifically, the support frame includes two support rods connected to the housing 100 at an obtuse angle, and the support rods may be U-shaped rods or L-shaped rods.

The embodiment also provides an industrial washing machine comprising the motor. By using the motor, the industrial washing machine has the advantages of low working noise, low motor failure rate and long service life.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. An electric motor, comprising:

the shell (100), the shell (100) comprises a front end cover (101), a connecting end cover (102) and a rear end cover (103) which are sequentially arranged along a first direction, an installation cavity is formed by surrounding the inner wall surface of the front end cover (101), the inner wall surface of the connecting end cover (102) and the inner wall surface of the rear end cover (103), a first connecting hole (1011) is formed in the front end cover (101) in a penetrating manner along the first direction, and a second connecting hole (1021) is formed in the rear end cover (103) in a penetrating manner along the first direction;

a winding stator (200), wherein the winding stator (200) is arranged in the mounting cavity, and a connecting slot (201) is arranged on the outer wall surface of the winding stator (200) along the first direction;

an inner connection rod (300), wherein the inner connection rod (300) is penetrated and connected in the first connection hole (1011), the connection through groove (201) and the second connection hole (1021);

the outer connecting rod (400), outer connecting rod (400) set up the outside of connecting end cover (102), just outer connecting rod (400) one end with front end housing (101) is connected, the other end with rear end housing (103) is connected.

2. An electric machine according to claim 1, characterized in that,

the outer wall surface of front end housing (101) is protruding to be equipped with first arch (104), run through on first arch (104) and be provided with third connecting hole, the outer wall surface of rear end housing (103) is protruding to be equipped with second arch (105), run through on second arch (105) and be provided with the fourth connecting hole, the one end of outer connecting rod (400) is connected in the third connecting hole, the other end of outer connecting rod (400) is connected in the fourth connecting hole.

3. An electric machine according to claim 2, characterized in that,

the outer connecting rod (400) extends along the first direction.

4. An electric machine according to claim 2, characterized in that,

the number of the first protrusions (104) is a plurality, and the first protrusions (104) are arranged at intervals along the circumferential direction of the front end cover (101); the number of the second bulges (105) is a plurality, and the second bulges (105) are arranged at intervals along the circumferential direction of the rear end cover (103); the number of the outer connecting rods (400) is multiple, and the outer connecting rods (400), the first protrusions (104) and the second protrusions (105) are arranged in a one-to-one correspondence mode.

5. An electric machine according to claim 1, characterized in that,

the number of the first connecting holes (1011) is a plurality, and the plurality of the first connecting holes (1011) are arranged at intervals in the circumferential direction of the front end cover (101); the number of the second connecting holes (1021) is a plurality, and the plurality of the second connecting holes (1021) are arranged at intervals in the circumferential direction of the rear end cover (103); a plurality of connecting through grooves (201) are formed in the outer wall surface of the winding stator (200) at intervals; the number of the outer connecting rods (400) is multiple, and the outer connecting rods (400), the first connecting holes (1011), the connecting through grooves (201) and the second connecting holes (1021) are arranged in a one-to-one correspondence mode.

6. An electric machine according to any one of claims 1-5, characterized in that,

the connection end cap (102) is in interference fit with the winding stator (200).

7. An electric machine according to any one of claims 1-5, characterized in that,

and a mounting gap is formed between the front end cover (101) and the rear end cover (103), and the connecting end cover (102) and part of the winding stator (200) are in interference fit in the mounting gap.

8. The motor of claim 7, wherein the motor is configured to control the motor to drive the motor,

the mounting gap comprises a first gap and a second gap which are communicated with each other, the first gap is positioned at the outer side of the second gap along the radial direction of the motor, and the width of the first gap is smaller than that of the second gap; the connecting end cover (102) is connected with a part of the winding stator (200) in a stepped mode, the connecting end cover (102) is arranged in the first gap, and a part of the winding stator (200) is arranged in the second gap.

9. An electric machine according to any one of claims 1-5, characterized in that,

an anti-corrosion layer is arranged on the connecting end cover (102).

10. Industrial washing machine, characterized in that it comprises an electric motor according to any one of claims 1-9.

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